Synopsis
		sfmutter3 < Finp.rsf sou=Fsou.rsf rec=Frec.rsf > Fout.rsf verb=n t0=0 velw=1.5 eps=1000.

Parameters
		float eps=1000. decay parameter   file rec= auxiliary input file name   file sou= auxiliary input file name   float t0=0 source delay time   float velw=1.5 water velocity   bool verb=n [y/n] verbosity flag